Five years ago today, we mentioned here what was characterized as "The Great Ethanol Scam." According to the central story in that post, the ethanol in gasoline was (or would be) "destroying engines in large numbers," and the only real winners with a rise in the use of ethanol as a gasoline supplement would be auto mechanics. An increasing number of cars are officially cleared for use with E15 (15 percent ethanol), and a growing number of E85 vehicles are in the wild now, too, though apparently many of their owners don't realize that their cars can burn a mixture that's mostly ethanol. When I can, I fill my car with no-ethanol gas, but that's not very easy to find (farmer's co-ops are one handy source), so most of my driving over the past decade has been with E10 fuel. I seem to get better mileage with all-gas, but the circumstances haven't been controlled enough to make a good comparison. What has your experience been? Have you experienced ethanol-related car problems, or were the predictions overblown?
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